Home / 879,536,643.95-1,319,467,157.49-289,360,099.37

Finding the Fourth Proportional to 879,536,643.95, 1,319,467,157.49 and 289,360,099.37

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Solution

The fourth proportional to 879,536,643.95, 1,319,467,157.49 and 289,360,099.37 is: 434,093,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,536,643.95 : 1,319,467,157.49 = 289,360,099.37 : x
  2. Step 2: Convert to fraction form
    879,536,643.95/1,319,467,157.49 = 289,360,099.37/x
  3. Step 3: Cross multiply
    879,536,643.95x = 1,319,467,157.49 × 289,360,099.37
  4. Step 4: Simplify right side
    879,536,643.95x = 381,801,147,800,160,512
  5. Step 5: Solve for x
    x = 381,801,147,800,160,512/879,536,643.95
  6. Step 6: Final answer
    x = 434,093,508.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.